90590884 has 12 divisors (see below), whose sum is σ = 159544924. Its totient is φ = 45006624.

The previous prime is 90590873. The next prime is 90590893. The reversal of 90590884 is 48809509.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61968384 + 28622500 = 7872^2 + 5350^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90590884.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71499 + ... + 72754.

Almost surely, 2^90590884 is an apocalyptic number.

It is an amenable number.

90590884 is a deficient number, since it is larger than the sum of its proper divisors (68954040).

90590884 is a wasteful number, since it uses less digits than its factorization.

90590884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144414 (or 144412 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 90590884 is about 9517.9243535552. The cubic root of 90590884 is about 449.1190733180.

The spelling of 90590884 in words is "ninety million, five hundred ninety thousand, eight hundred eighty-four".